How to type selection of domestic hot water circulation pump

The hot water pump impeller domestic hot water circulating pump is directly mounted on the motor shaft extended, short axial size, compact structure, pump and motor bearings reasonable configuration, can effectively balance the pump functioning of the radial and axial load, so as to ensure the smooth operation of the pump vibration, low noise. In the domestic hot water cycle pump selection of the need to pay attention to the point there are a lot of.
1, hot water circulating pump for the vertical structure, import and export of the same caliber, and in the same center line, can be the same as the valve installed in the pipe, an installation foot, increase the stability of the pump, compact appearance, small footprint, low construction investment.
2, hot water pump impeller mounted directly on the extension of the motor shaft, short axial size, compact structure, pump and motor bearings reasonable configuration, can effectively balance the pump functioning of the radial and axial load, so as to ensure the smooth operation of the pump vibration, low noise.
3, hot water pump shaft with mechanical seal or mechanical seal combination, the use of imported titanium alloy sealing ring, medium and high temperature mechanical seal with carbide materials, wear-resistant sealing, can effectively increase the service life of mechanical seal.
How to type selection of domestic hot water circulation pump
Relevant models and parameters of domestic hot water circulating pump:
1, model: IRG15-80:
Flow rate (m3/h):1.1; head (m):8.5; efficiency (%):26; speed (r/min):2900;
Motor power (kw):0.18; cavitation margin (m) 2.3:; weight (kg):17;
2, model: IRG20-110:
Flow rate (m3/h):1.5; head (m):8; efficiency (%):34; speed (r/min):2900;
Motor power (kw):0.37; cavitation margin (m):2.3; weight (kg):17;
3, model: IRG20-160:
Flow rate (m3/h):2.0; head (m):7; efficiency (%):34; speed (r/min):2900;
Motor power (kw):0.18; cavitation margin (m) 2.3:; weight (kg):17;
4, model: IRG25-110:
Flow rate (m3/h):1.8; head (m):16; efficiency (%):25; speed (r/min):2900;
Motor power (kw) 0.18:; cavitation margin (m):2.3; weight (kg):17;
5, model: IRG25-125:
Flow rate (m3/h):2.5; head (m):15; efficiency (%):34; speed (r/min):2900;
Motor power (kw):0.37; cavitation margin (m): weight (kg):25;
Domestic hot water circulation pump for easy installation and maintenance, no need to open pipeline system, only need to unload the pump body nut to be pulled out all the rotor parts, according to the requirement that the head of the traffic and the need for a pump series, parallel operation mode, can also according to the requirements of piping layout using the vertical and horizontal pump installation.